Boot-time composition library (ADR-024 obligations 8a/8a'). A generic, once-tested
library every SKU bootstrap invokes at startup: the validation-stamp assertion checks the
tooling-emitted stamp in cap-manifest.json (presence, well-formedness,
content-binding-match, version-match) and fails fast on drift, then the boot conductor
drives each cap's four-phase lifecycle (CapabilityLifecycleHooks from
exeris-sdk-composition-lifecycle) in the manifest initOrder ...